256701664

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{131507}}^1$

素因数の和:131578

約数の個数: 24

約数和(自身を含む): 513670248

約数和(自身を除く): 256968584

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 244, 488, 976, 1952, 131507, 263014, 526028, 1052056, 2104112, 4208224, 8021927, 16043854, 32087708, 64175416, 128350832, 256701664]

約数ペア:

[(1, 256701664), (2, 128350832), (4, 64175416), (8, 32087708), (16, 16043854), (32, 8021927), (61, 4208224), (122, 2104112), (244, 1052056), (488, 526028), (976, 263014), (1952, 131507)]